# Cooking Ex Optimizer vs Underbelly Sous Vide Calc

The clearest difference is update cadence: Underbelly Sous Vide Calc at every 5 days against Cooking Ex Optimizer's every 9 months. Underbelly Sous Vide Calc also leads on chart position (#44 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Cooking Ex Optimizer costs $1.99 and Underbelly Sous Vide Calc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cooking Ex Optimizer ships an update every 9 months, Underbelly Sous Vide Calc every 5 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Cooking Ex Optimizer | Underbelly Sous Vide Calc |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/underbelly-sous-vide-calc/id6760197729/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#44** |
| Size | 3 MB | 31 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Morten Punnerud](https://appshunter.io/developer/969844397) | [PAUL JOEL RAPHAELSON](https://appshunter.io/developer/1883136986) |

## What reviewers say

### Cooking Ex Optimizer

[App page](https://appshunter.io/ios/app/cooking-ex-optimizer/id6749771586)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Underbelly Sous Vide Calc

[App page](https://appshunter.io/ios/app/underbelly-sous-vide-calc/id6760197729)

**Currently charting:** #44 Top Paid · Food & Drink (US App Store)

This app calculates safe pasteurization times and cooking durations for various foods using sophisticated scientific models. It supports cooking directly from frozen and is designed for culinary professionals and advanced home cooks.

**Highlights:** Calculates safe pasteurization times, Handles cooking from frozen, Uses sophisticated math models, Food-specific parameters, Based on published science

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cooking Ex Optimizer free?

Cooking Ex Optimizer costs $1.99, with no in-app purchases.

### Is Underbelly Sous Vide Calc free?

Underbelly Sous Vide Calc costs $1.99, with no in-app purchases.

### Do Cooking Ex Optimizer or Underbelly Sous Vide Calc have ads?

Neither Cooking Ex Optimizer nor Underbelly Sous Vide Calc shows ads.

### Which is updated more often, Cooking Ex Optimizer or Underbelly Sous Vide Calc?

Cooking Ex Optimizer ships an update every 9 months, and Underbelly Sous Vide Calc every 5 days. Most recently, Cooking Ex Optimizer was updated on October 24, 2026 and Underbelly Sous Vide Calc on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*